Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942548 | Light-source lamp and projector | Hideaki Emoto, Katsuhiko Toda | 2011-05-17 |
| 5797357 | Apparatus for forming protective films in water feed pipes of boiler | Norifumi Matsuda, Akiyoshi Hayashi | 1998-08-25 |